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ES507448A0 - PROCEDURE AND ITS CORRESPONDING DEVICE TO FORM STEP BY STEP AN IMAGE FROM AN ORIGINAL. - Google Patents

PROCEDURE AND ITS CORRESPONDING DEVICE TO FORM STEP BY STEP AN IMAGE FROM AN ORIGINAL.

Info

Publication number
ES507448A0
ES507448A0 ES507448A ES507448A ES507448A0 ES 507448 A0 ES507448 A0 ES 507448A0 ES 507448 A ES507448 A ES 507448A ES 507448 A ES507448 A ES 507448A ES 507448 A0 ES507448 A0 ES 507448A0
Authority
ES
Spain
Prior art keywords
original
procedure
image
corresponding device
form step
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES507448A
Other languages
Spanish (es)
Other versions
ES8303861A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RINGIER AND CO AG
Original Assignee
RINGIER AND CO AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RINGIER AND CO AG filed Critical RINGIER AND CO AG
Publication of ES507448A0 publication Critical patent/ES507448A0/en
Publication of ES8303861A1 publication Critical patent/ES8303861A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40075—Descreening, i.e. converting a halftone signal into a corresponding continuous-tone signal; Rescreening, i.e. combined descreening and halftoning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Facsimile Heads (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
ES507448A 1980-11-07 1981-11-06 PROCEDURE AND ITS CORRESPONDING DEVICE TO FORM AN IMAGE STEP BY STEP FROM AN ORIGINAL. Expired ES8303861A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH829080 1980-11-07

Publications (2)

Publication Number Publication Date
ES507448A0 true ES507448A0 (en) 1983-02-01
ES8303861A1 ES8303861A1 (en) 1983-02-01

Family

ID=4338037

Family Applications (1)

Application Number Title Priority Date Filing Date
ES507448A Expired ES8303861A1 (en) 1980-11-07 1981-11-06 PROCEDURE AND ITS CORRESPONDING DEVICE TO FORM AN IMAGE STEP BY STEP FROM AN ORIGINAL.

Country Status (10)

Country Link
US (1) US4403258A (en)
JP (1) JPS57126668A (en)
DE (1) DE3144149A1 (en)
DK (1) DK491681A (en)
ES (1) ES8303861A1 (en)
FI (1) FI813492A7 (en)
FR (1) FR2494065A1 (en)
GB (1) GB2089164A (en)
IT (1) IT8124908A0 (en)
SE (1) SE8106605L (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139483C2 (en) * 1981-10-03 1985-06-13 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and circuit arrangement for increasing contrast
ATE25453T1 (en) * 1981-10-19 1987-02-15 Hell Rudolf Dr Ing Gmbh METHOD OF IMPROVING CONTRAST ENHANCEMENT.
DE3270088D1 (en) * 1982-07-03 1986-04-30 Hell Rudolf Dr Ing Gmbh Method and arrangement for contrast enhancement
ATE15740T1 (en) * 1982-10-09 1985-10-15 Hell Rudolf Dr Ing Gmbh METHOD AND ELECTRICALLY CONTROLLABLE SCANNING DEVICE FOR MOIRE-FREE SCANNING OF SCREENED ORIGINALS.
JPS5963568U (en) * 1982-10-21 1984-04-26 大日本スクリ−ン製造株式会社 Detector of image signals in image scanning and recording devices
NL8320205A (en) * 1983-06-03 1985-05-01 Gravure Res Inst GRID ENGRAVING ENGRAVING SYSTEM FOR ELECTROMECHANICAL ENGRAVING DEVICES.
US5020118A (en) * 1984-06-13 1991-05-28 Canon Kabushiki Kaisha Image reading apparatus
JPS63110867A (en) * 1986-10-29 1988-05-16 Canon Inc solid-state image sensor
US4893195A (en) * 1987-08-27 1990-01-09 Minolta Camera Kabushiki Kaisha Image processing apparatus capable of eliminating moire pattern
JPS6467065A (en) * 1987-09-07 1989-03-13 Canon Kk Image reader
JP2602305B2 (en) * 1988-11-29 1997-04-23 凸版印刷株式会社 Gravure printing method
IL115166A (en) * 1991-04-30 1997-02-18 Scitex Corp Ltd Apparatus and method for descreening

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
DE1039842B (en) * 1957-08-14 1958-09-25 Rudol Hell Dr Ing Process for the artificial increase of contrast on tone value cracks and contours in clichés to be produced by means of electronic cliché machines
US3194882A (en) * 1961-05-16 1965-07-13 Time Inc Facsimile system with resolved local area contrast control
GB1096376A (en) * 1965-09-20 1967-12-29 Derek John Kyte Improvements in or relating to photographic reproduction
US4051536A (en) * 1975-03-14 1977-09-27 Xerox Corporation Electronic halftone imaging system
US4128850A (en) * 1977-05-16 1978-12-05 Calspan Corporation Method and apparatus for transmitting facsimiles over telephone lines

Also Published As

Publication number Publication date
ES8303861A1 (en) 1983-02-01
DE3144149A1 (en) 1982-05-27
DK491681A (en) 1982-05-08
GB2089164A (en) 1982-06-16
US4403258A (en) 1983-09-06
IT8124908A0 (en) 1981-11-09
FI813492L (en) 1982-05-08
JPS57126668A (en) 1982-08-06
FR2494065A1 (en) 1982-05-14
SE8106605L (en) 1982-05-08
FI813492A7 (en) 1982-05-08

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